section{
    // 文字部分
    .introduce{
        width: 1170px;
        margin: 0 auto;
        .text{
            display: flex;
            justify-content: space-around;
            margin-bottom: 20PX;
            li{
                width: 25%;
                margin: 0 15px;
                font-size: 14px;
                line-height: 22px;
                overflow: hidden;
                text-align: left;
                .title-txt{
                    font-size: 20px;
                    margin: 10px 0;
                }
            } 
        }
        // 横幅
        .banner{
            background: #eee;
            text-align: center;
            height: 350px;
            padding: 40px 60px;
            margin: 30px 0;
            box-sizing: border-box;
            h1{
                font-size: 63px;
                font-weight:400;
                margin: 20px 0 5px 0;
            }
            p{
                font-size: 20px;
                margin-bottom: 15px;
            }
            button{
                background: #428bca;
                width: 192px;
                height: 58px;
                color: #fff;
                font-size: 20px;
            }
            a{
                color: #428bca;
                font-size: 14px;
            }
            a:hover{
                text-decoration: underline;
            }
        }
    }
}